St. Charles County, Missouri: tornado and severe weather warnings
Nothing is in effect for St. Charles County as of 8:10 PM CDT: no warnings, watches or advisories. This page checks the National Weather Service every minute.
Open the live map on St. Charles County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of St. Charles County. Tap your own street on it for times that apply to you.
The last 12 months in St. Charles County
- 4 tornado warnings
- 28 severe thunderstorm warnings
- 5 flash flood warnings
- 5 tornado watches
- 6 severe thunderstorm watches
The most recent tornado warning that included St. Charles County was issued Apr 27, 2026 by the Weather Service office in St. Louis, MO.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 17, 2026 | 3:38 PM CDT | Severe thunderstorm warning | LSX | text |
| Aug 16, 2026 | 9:06 PM CDT | Severe thunderstorm warning | LSX | text |
| Aug 12, 2026 | 5:00 PM CDT | Severe thunderstorm warning | LSX | text |
| Aug 6, 2026 | 4:35 AM CDT | Flash flood warning | LSX | text |
| Jul 10, 2026 | 8:40 PM CDT | Severe thunderstorm warning | LSX | text |
| Jul 10, 2026 | 7:58 PM CDT | Severe thunderstorm warning | LSX | text |
| Jul 4, 2026 | 4:15 PM CDT | Severe thunderstorm warning | LSX | text |
| Jun 25, 2026 | 4:18 PM CDT | Flash flood warning | LSX | text |
| Jun 25, 2026 | 3:39 PM CDT | Severe thunderstorm warning | LSX | text |
| Jun 8, 2026 | 10:46 AM CDT | Flash flood warning | LSX | text |
| Jun 8, 2026 | 10:32 AM CDT | Flash flood warning | LSX | text |
| Jun 1, 2026 | 4:53 AM CDT | Severe thunderstorm warning | LSX | text |
A warning counts here if the Weather Service listed St. Charles County in it, even if the warned area covered only part of the county.
Nearby
- St. Louis County, MO
- Lincoln County, MO
- St. Louis city, MO
- Warren County, MO
- Calhoun County, IL
- Jersey County, IL
- Franklin County, MO
- Jefferson County, MO
- All of Missouri
What the alerts mean
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.